<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			h2{
				border: 1px solid red;
				border-radius: 25px;
			}
		</style>
	</head>
	<body>
		<!--加上边框，实心，圆角-->
		<h2>粤嵌</h2>
	</body>
</html>
